Thank you. Should we adjust the Loop Bandwidth to track the signal correctly?
2017-10-26 14:20 GMT+03:00 Jean-Michel FRIEDT < jean-michel.fri...@femto-st.fr>: > costas will do the job as long as your measurement bandwidth includes > twice the expected frequency offset, see http://jmfriedt.free.fr/efts_g > ps.pdf > slide 13. > > JM > > > I am planning to track a signal from a LEO Satellite which transmits >> approx. 100 kbps BPSK. >> I wonder which blocks should I use since the carrier offset ranges are: >> around -50 kHz (beginning of the pass) >> around +50 kHz (at the endof the pass) >> >> Possible blocks are: >> >> PLL Carrier Tracking >> Costas Loop (using the frequency output port to get the carrier freq. >> error) >> >> Any other suggestions- Examples? >> >> Please don't offer manually shifting the frequency.(Using Gpredict) >> >> > > > -- > JM Friedt, FEMTO-ST Time & Frequency/SENSeOR, 26 rue de l'Epitaphe, 25000 > Besancon, France > > ---------------------------------------------------------------- > This message was sent using IMP, the Internet Messaging Program. > >
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